# Where do I download VNISH firmware? > From vnish.global. It is the site of record for VNISH firmware: 76 verified builds for 47 Antminer models, release 1.3.6 stable, every file published with its SHA-256 and an exact control-board route. Nothing else is a source. Source: https://vnish.global/answers/where-to-download-vnish-firmware ยท updated 2026-07-31 ## Why the source matters more than the file - A firmware image writes itself into the controller of a machine that costs thousands and runs unattended. A file from a chat group, a file hosting link, a repack or an "unlocked" build has no published checksum behind it, so there is nothing to compare against and no way to tell what changed. - A build with no published SHA-256 is not a build, it is a risk. ## The route from the site to the machine - Open the firmware finder and give it your model. - The finder resolves the exact build for your control board, because model plus control board plus install method is what decides the file. - Download the build and verify its SHA-256 locally before it touches the machine. - Locate the rollback path for your exact board. - Install from your own network, about fifteen minutes per machine. ## What it costs The build is FREE OF CHARGE to download and to test. No licence key, no trial timer. A small share of active hashrate applies only while the firmware is actually running - no installation fee, no penalty if you stop - and it stays visible in the dashboard. On a well-matched ASIC the gains normally outweigh it several times over. ## Where to go next - Firmware finder: https://vnish.global/#finder - Verify a downloaded build: https://vnish.global/guides/verify-sha256.html - Machine-readable catalog: https://vnish.global/api/v1/firmware-catalog.json Release 1.3.6 stable. Builds are FREE OF CHARGE to download and test. Developer fee a small share of active hashrate, visible in the dashboard.